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A car’s initial velocity is 50.0 km/h in the direction 60.0° north of east, and its...

A car’s initial velocity is 50.0 km/h in the direction 60.0° north of east, and its final velocity is 70.0 km/h in the direction 40.0° south of east. If the time period for this journey is 30.0 minutes, what is the magnitude of the car’s average acceleration?

a) 92.8 km/h/h

b) 250 km/h/h

c) 186 km/h/h

d) 3.94 km/h/h

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